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WS-BPEL 2.0 for SOA Composite Applications with IBM WebSphere 7 by Gregor Srdic, Matjaz B. Juric, Ales Frece, Swami Chandrasekaran, Matej Hertis

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BPEL business process example

To demonstrate how business processes are described with BPEL, we will define a simple business process for business travels. Let us consider the business travel process. We describe an oversimplified scenario, where the client invokes the business process, specifying the name of the employee, the destination, the departure date, and the return date. The BPEL business process first checks the employee travel status. We will assume that a service exists through which such a check can be made. Then the BPEL process will check the price for the flight ticket with two airlines: American Airlines and Delta Airlines. Again, we will suppose that both airline companies provide a service through which such checks can be made. ...

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